CN219779900U - Power mobile phone capable of isolating liquid - Google Patents

Power mobile phone capable of isolating liquid Download PDF

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Publication number
CN219779900U
CN219779900U CN202320663758.8U CN202320663758U CN219779900U CN 219779900 U CN219779900 U CN 219779900U CN 202320663758 U CN202320663758 U CN 202320663758U CN 219779900 U CN219779900 U CN 219779900U
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CN
China
Prior art keywords
output shaft
shifting fork
power mobile
shaft
wall
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CN202320663758.8U
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Chinese (zh)
Inventor
郭毅军
王习金
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Chongqing Xishan Science and Technology Co Ltd
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Chongqing Xishan Science and Technology Co Ltd
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Priority to CN202320663758.8U priority Critical patent/CN219779900U/en
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Publication of CN219779900U publication Critical patent/CN219779900U/en
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Abstract

The utility model relates to the technical field of medical equipment, and provides a liquid-isolating power mobile phone, which comprises: a housing; the driving assembly is arranged in the shell and comprises a driving piece and an output shaft which is driven by the driving piece and rotates along the axis of the driving piece; the shifting fork shaft, one end of the shifting fork shaft is connected with the cutter, and the other end of the shifting fork shaft is connected with the front end of the output shaft and is used for transmitting the power output by the output shaft to the connected cutter; the output shaft is hollow structure, and the inner wall of output shaft is located to the bushing pipe along axial cover, and the rear end of bushing pipe extends to the rear end of output shaft, and the front end of bushing pipe extends to the inner wall of driving fork axle. According to the utility model, the liquid is prevented from entering the shifting fork shaft or the driving assembly from the cutter through the liner tube, so that the liquid is isolated outside the shifting fork shaft or the output shaft, the liquid is effectively prevented from entering the power mobile phone, the operation faults of the power mobile phone caused by corrosion of important parts such as an internal motor and the like are prevented, and the operation quality and the service life of the power mobile phone are effectively ensured.

Description

Power mobile phone capable of isolating liquid
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a liquid-isolating power mobile phone.
Background
In surgery, a power handpiece is typically required to power the front end cutter to perform the drilling, sawing, cutting, planing, grinding, milling, etc. operations in the surgery. The existing power mobile phone is characterized in that a micro motor is arranged in a mobile phone shell, and power is transmitted to a front end cutter through an output shaft.
In the operation process, blood or normal saline inevitably enters the power mobile phone through a gap between the cutter and the output shaft, and external liquids such as the blood or the normal saline corrode important parts in the power mobile phone such as a motor, so that the power mobile phone has operation faults.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present utility model is directed to a power mobile phone capable of isolating liquid, which is used for solving the problem that in the prior art, external liquid enters into the power mobile phone to corrode important parts in the power mobile phone, resulting in operation failure of the power mobile phone.
To achieve the above and other related objects, the present utility model provides a fluid-isolatable power mobile phone comprising:
a housing;
the driving assembly is arranged in the shell and comprises a driving piece and an output shaft which is driven by the driving piece and rotates along the axis of the driving piece;
one end of the shifting fork shaft is connected with the cutter, and the other end of the shifting fork shaft is connected with the front end of the output shaft and is used for transmitting the power output by the output shaft to the connected cutter;
the liner tube is of a hollow structure, the liner tube is axially sleeved on the inner wall of the output shaft, the rear end of the liner tube extends to the rear end of the output shaft, the front end of the liner tube extends to the inner wall of the shifting fork shaft, and the liner tube is used for preventing liquid from entering the shifting fork shaft or the driving assembly from the cutter.
Optionally, the rotary electric machine further comprises a first sealing ring, wherein the rear end of the shifting fork shaft is sleeved with the front end of the output shaft, and the first sealing ring is arranged at the sleeved position of the shifting fork shaft and the output shaft.
Optionally, the lining pipe further comprises a first bearing, wherein an inner ring of the first bearing is sleeved on the outer wall of the lining pipe, and an outer ring of the first bearing is abutted with the inner wall of the shifting fork shaft.
Optionally, the inner wall of the shifting fork shaft is provided with a groove, a check ring is arranged in the groove, and one end, close to the output shaft, of the first bearing is abutted to the check ring.
Optionally, one end of the first bearing deviating from the output shaft is provided with a pressing sleeve, one end of the pressing sleeve is abutted to the inner wall of the shifting fork, and the other end of the pressing sleeve is abutted to the first bearing.
Optionally, the rotary shaft further comprises a first centrifugal disc sleeved on the outer wall of the rotary shaft, and a first drain hole is formed in the position, corresponding to the first centrifugal disc, of the shell.
Optionally, the positioning device further comprises a positioning bearing for supporting the shifting fork shaft, wherein an inner ring of the positioning bearing is sleeved on the outer wall of the shifting fork shaft, an outer ring of the positioning bearing is abutted to the inner wall of the shell, and the positioning bearing is located between the first centrifugal disc and the driving piece.
Optionally, the casing includes shell and preceding cover body, the outer lane of location bearing pass through preceding cover body with the casing is connected, preceding cover body be provided with protruding structure between first centrifugal disk with the location bearing for with first centrifugal disk with the location bearing is at least partly cut off.
Optionally, a second sealing ring is arranged between the shell and the front sleeve body, and the second sealing ring is used for sealing a gap between the shell and the front sleeve body.
Optionally, the output shaft runs through from front to back the driving piece, power cell-phone still includes the setting is in the second centrifugal disk of output shaft rear end, the casing rear end corresponds the position of second centrifugal disk is provided with the second wash port.
As described above, the lining pipes are arranged on the inner walls of the shifting fork shaft and the output shaft, and the lining pipes prevent liquid from entering the shifting fork shaft or the driving assembly from the cutter, so that the liquid is isolated outside the shifting fork shaft or the output shaft, further, the liquid is effectively prevented from entering the important parts such as the internal contact motor of the power mobile phone, the operation faults of the power mobile phone caused by corrosion of the important parts such as the internal motor are prevented, and the operation quality and the service life of the power mobile phone are effectively ensured.
Drawings
FIG. 1 is a block diagram of a fluid-isolatable power handset in accordance with an exemplary embodiment of the utility model;
FIG. 2 is a schematic diagram of the front end portion of a hydrodynamic cell phone with hydraulic isolation according to an exemplary embodiment of the utility model;
fig. 3 is a schematic view of a rear end partial structure of a hydraulic-isolatable power handset in accordance with an exemplary embodiment of the utility model.
Description of the part reference numerals
1-a housing; 101-a first drain hole; 102-a second drain hole; 11-a housing; 12-a front sleeve body; 1201-a second sealing ring; 1202-a bump structure; 2-a driving member; 21-an output shaft; 2101-a second centrifuge disk; 2102-third seal ring; 3-a fork shaft; 301-a first sealing ring; 302-a first centrifuge disk; 303-retainer ring; 4-liner tube; 5-pressing the sleeve; 6-a first bearing; 8-positioning bearings.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
In one embodiment, referring to fig. 1-3, the present utility model illustratively shows a fluid-isolatable power hand piece comprising a housing 1, a drive assembly, a fork shaft 3 and a liner 4, wherein the drive assembly is disposed within the housing 1, the drive assembly comprising a drive member 2 and an output shaft 21 driven by the drive member 2 and rotating along its own axis; one end of the shifting fork shaft 3 is connected with a cutter (not shown in the figure), the other end of the shifting fork shaft 3 is connected with the front end of the output shaft 21, the shifting fork shaft 3 is used for being connected with various types of cutters in an inserting mode, and the power output by the output shaft is transmitted to the connected cutter through the shifting fork shaft 3 so as to drive the cutter to work; the output shaft 21 is hollow structure, and the inner wall of output shaft 21 is located to bushing pipe 4 along the axial cover of output shaft 21 to the rear end of bushing pipe 4 extends to the rear end of output shaft 21, and the front end of bushing pipe 4 extends to the inner wall of driving fork shaft 3, and the bushing pipe is used for preventing liquid from getting into driving fork shaft 3 or drive assembly from the cutter.
It can be seen that the bushings are arranged on the inner walls of the shifting fork shaft 3 and the output shaft 21, so that liquid is effectively prevented from entering the shifting fork shaft or the driving assembly from the cutter, and further enters into important parts such as an internal contact motor of the power mobile phone, so that the operation faults of the power mobile phone caused by the corrosion of the important parts such as the internal motor by the liquid are prevented, and the operation quality and the service life of the power mobile phone are effectively ensured.
Specifically, referring to fig. 1 and 2, the shift rail 3 is internally penetrated, a first end of the liner tube 4 is inserted into a rear end of a through cavity in the shift rail 3, a second end of the liner tube 4 extends to a rear end of the housing 1, and the rear end of the housing 1 may be a through hole at a position connected with the liner tube 4, so that the liner tube 4 is externally communicated with the housing 1. In this example, the rotary shaft further comprises a first sealing ring 301, the rear end of the shift fork shaft 3 is sleeved with the front end of the output shaft 21, in the section where the shift fork shaft 3 and the output shaft 21 are sleeved with each other, an annular groove is formed in the inner wall of the shift fork shaft 3, the first sealing ring 301 is annularly arranged in the annular groove in the inner wall of the shift fork shaft 3, and the tightness between the shift fork shaft 3 and the output shaft 21 is improved through the first sealing ring 301. The seal ring groove may be formed in the output shaft, and the first seal ring 301 is disposed in the seal ring groove of the output shaft. Preferably, for convenience in installation and processing, the shift rail 3 is sleeved on the output shaft 21, a sealing ring groove is formed in the inner wall of the shift rail, the first sealing ring 301 is arranged in the sealing ring groove of the shift rail, and a gap between the shift rail and the output shaft is further sealed through the sealing ring groove and the sealing ring.
In another embodiment, the power mobile phone further comprises a first bearing 6, an inner ring of the first bearing 6 is sleeved on the outer wall of the liner tube 4, and an outer ring of the first bearing 6 is abutted with the inner wall of the shifting fork shaft 3. The liner 4 is a sleeve having a certain rigidity, and the first bearing 6 is sleeved on the liner 4 to support the shift rail 3. In addition, since the shift rail 3 rotates along with the output shaft 21, the liner 4 can be prevented from rotating along with the shift rail and the output shaft by the first bearing 6, and further, the cutter is prevented from being severely worn due to the fact that the rotation speed of the cutter is the same as that of the motor.
Specifically, the inner wall of the shift rail 3 is provided with a groove, a retainer ring 303 is arranged in the groove, and one end of the first bearing 6, which is close to the output shaft 21, is abutted against the retainer ring 303, so that the first bearing 6 is limited to axially move in the direction in which the output shaft is located. Further, one end of the first bearing 6, which is away from the output shaft 21, is provided with a pressing sleeve 7, the pressing sleeve 7 is sleeved on the outer wall of the liner tube 4, one end of the pressing sleeve 7 is abutted against the inner wall of the shifting fork shaft 21, and the other end of the pressing sleeve is abutted against one end of the first bearing 6, which is away from the output shaft, so that the axial movement of the first bearing is limited through the pressing sleeve 7 and a retainer ring 303.
In this embodiment, the power mobile phone further includes a first centrifugal disc 302 sleeved on the outer wall of the shifting fork shaft 3, and a first drain hole 101 is provided on the housing 1 corresponding to the position of the first centrifugal disc 302, when the power mobile phone works normally, the first centrifugal disc 302 rotates along with the shifting fork shaft 3, under the centrifugal effect, the liquid sputtered toward the outer wall of the shifting fork shaft 3 will be thrown to the first drain hole 101 and discharged through the first drain hole 101, which is beneficial to avoiding the corrosion of the important parts inside the power mobile phone caused by the sputtered liquid.
In this embodiment, the power handset further includes a positioning bearing 8 for supporting the shift rail 3, an inner ring of the positioning bearing 8 is sleeved on an outer wall of the shift rail 3, an outer ring of the positioning bearing 8 is connected with an inner wall of the housing 1, and the positioning bearing 8 is located between the first centrifugal disc 302 and the driving member 2.
In the above embodiment, the casing 1 specifically includes the outer casing 11 and the front casing 12, it may be understood that the outer casing 11 may be an independent power mobile phone casing, or may be a power mobile phone casing formed by splicing multiple partial casings, referring to fig. 1-3, in this embodiment, the structure of the outer casing 11 is exemplarily shown, in other embodiments, according to actual design and production requirements of the power mobile phone, the front casing 12 is embedded inside the outer casing 11, and may be used for mounting and positioning related components, in this embodiment, the outer ring of the positioning bearing 8 is connected to the casing 1 through the front casing 12, that is, is embedded on the front casing 12, where the front casing 12 is provided with a protrusion structure 1202 between the first centrifugal disc 302 and the positioning bearing, so as to at least partially isolate the first centrifugal disc 302 from the positioning bearing 8, which is beneficial to further improve the tightness of the driving element 2, such as a motor, and avoid corrosion of important components inside the power mobile phone caused by sputtering liquid.
In this embodiment, the second sealing ring 1201 is disposed between the housing 1 and the front sleeve body 12, so as to seal a gap between the housing 1 and the front sleeve body 12, which is favorable for improving the waterproof sealing performance between the housing 1 and the front sleeve body 12, specifically, the second sealing ring 1201 in this embodiment still adopts the same scheme as the sealing ring groove and the first sealing ring 301, that is, adopts an annular sealing member disposed in the annular groove by interference, and in other embodiments, the structure of the second sealing ring 1201 can be adjusted according to actual requirements.
In this embodiment, the output shaft 21 penetrates through the driving member 2 from front to back, the power mobile phone further comprises a second centrifugal disk 2101 arranged at the rear end of the output shaft 21, a second drain hole 102 is arranged at a position on the housing 1 corresponding to the second centrifugal disk 2101, and when the power mobile phone works normally, the second centrifugal disk 2101 rotates along with the output shaft 21, so that liquid possibly leaking to a cavity at the rear end of the housing 1 is thrown out under the centrifugal action and is discharged through the second drain hole 102, which is beneficial to further improving the waterproof sealing performance of the driving member 2 and reducing corrosion.
Further, in this embodiment, a third sealing ring 2102 is disposed between the output shaft 21 and the second centrifugal disk 2101, so as to seal a gap between the output shaft 21 and the second centrifugal disk 2101, which is favorable for improving the waterproof sealing performance between the output shaft 21 and the second centrifugal disk 2101, specifically, the third sealing member 2102 in this embodiment still adopts the same scheme as the sealing ring groove and the first sealing ring 301, that is, adopts an annular sealing member disposed in an annular groove by interference, and in other embodiments, the structure of the third sealing ring 2102 can be adjusted according to actual requirements.
As described above, the lining pipe is arranged on the inner walls of the shifting fork shaft and the output shaft, and liquid is prevented from entering the shifting fork shaft or the driving assembly from the cutter through the lining pipe, so that the liquid is isolated outside the shifting fork shaft or the output shaft, important parts such as a motor and the like are effectively prevented from being contacted inside the power mobile phone, the operation faults of the power mobile phone caused by corrosion of the important parts such as the motor and the like are prevented, and the operation quality and the service life of the power mobile phone are effectively ensured.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A hydrodynamic mobile phone capable of isolating liquid, comprising:
a housing;
the driving assembly is arranged in the shell and comprises a driving piece and an output shaft which is driven by the driving piece and rotates along the axis of the driving piece;
one end of the shifting fork shaft is connected with the cutter, and the other end of the shifting fork shaft is connected with the front end of the output shaft and is used for transmitting the power output by the output shaft to the connected cutter;
the liner tube is of a hollow structure, the liner tube is axially sleeved on the inner wall of the output shaft, the rear end of the liner tube extends to the rear end of the output shaft, the front end of the liner tube extends to the inner wall of the shifting fork shaft, and the liner tube is used for preventing liquid from entering the shifting fork shaft or the driving assembly from the cutter.
2. The fluid-isolatable power mobile telephone of claim 1, wherein: the novel shifting fork comprises an output shaft, and is characterized by further comprising a first sealing ring, wherein the rear end of the shifting fork shaft is sleeved with the front end of the output shaft, and the first sealing ring is arranged at the sleeved position of the shifting fork shaft and the output shaft.
3. The fluid-isolatable power mobile telephone of claim 1, wherein: the lining pipe is characterized by further comprising a first bearing, wherein the inner ring of the first bearing is sleeved on the outer wall of the lining pipe, and the outer ring of the first bearing is abutted with the inner wall of the shifting fork shaft.
4. A fluid-isolatable power mobile telephone as claimed in claim 3, wherein: the inner wall of the shifting fork shaft is provided with a groove, a check ring is arranged in the groove, and one end, close to the output shaft, of the first bearing is abutted to the check ring.
5. The fluid-isolatable power mobile telephone as defined in claim 4 wherein: one end of the first bearing, which is away from the output shaft, is provided with a pressing sleeve, one end of the pressing sleeve is abutted to the inner wall of the shifting fork shaft, and the other end of the pressing sleeve is abutted to the first bearing.
6. The fluid-isolatable power mobile telephone as claimed in any one of claims 1 to 5 wherein: the novel shifting fork is characterized by further comprising a first centrifugal disc sleeved on the outer wall of the shifting fork shaft, and a first drain hole is formed in the position, corresponding to the first centrifugal disc, of the shell.
7. The fluid-isolatable power mobile telephone as defined in claim 6 wherein: the positioning bearing is used for supporting the shifting fork shaft, an inner ring of the positioning bearing is sleeved on the outer wall of the shifting fork shaft, an outer ring of the positioning bearing is in butt joint with the inner wall of the shell, and the positioning bearing is located between the first centrifugal disc and the driving piece.
8. The fluid-isolatable power mobile telephone of claim 7, wherein: the shell comprises a shell and a front sleeve body, the outer ring of the positioning bearing is connected with the shell through the front sleeve body, and a protruding structure is arranged between the first centrifugal disc and the positioning bearing and used for at least partially isolating the first centrifugal disc from the positioning bearing.
9. The fluid-isolatable power mobile telephone of claim 8, wherein: a second sealing ring is arranged between the shell and the front sleeve body and is used for sealing a gap between the shell and the front sleeve body.
10. The fluid-isolatable power mobile telephone as defined in claim 6 wherein: the output shaft penetrates through the driving piece from front to back, the power mobile phone further comprises a second centrifugal disc arranged at the rear end of the output shaft, and a second drain hole is formed in the rear end of the shell at a position corresponding to the second centrifugal disc.
CN202320663758.8U 2023-03-30 2023-03-30 Power mobile phone capable of isolating liquid Active CN219779900U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320663758.8U CN219779900U (en) 2023-03-30 2023-03-30 Power mobile phone capable of isolating liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320663758.8U CN219779900U (en) 2023-03-30 2023-03-30 Power mobile phone capable of isolating liquid

Publications (1)

Publication Number Publication Date
CN219779900U true CN219779900U (en) 2023-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320663758.8U Active CN219779900U (en) 2023-03-30 2023-03-30 Power mobile phone capable of isolating liquid

Country Status (1)

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CN (1) CN219779900U (en)

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